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Support bottom-aligned scroll panels.

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This commit is contained in:
Paul Chote
2013-10-22 20:32:45 +13:00
parent c5c518dbce
commit cfb6e149b3
1 changed files with 8 additions and 2 deletions
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10
OpenRA.Game/Widgets/ScrollPanelWidget.cs
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@@ -18,6 +18,8 @@ namespace OpenRA.Widgets
{ {
public interface ILayout { void AdjustChild(Widget w); void AdjustChildren(); } public interface ILayout { void AdjustChild(Widget w); void AdjustChildren(); }
public enum ScrollPanelAlign { Bottom, Top }
public class ScrollPanelWidget : Widget public class ScrollPanelWidget : Widget
{ {
public int ScrollbarWidth = 24; public int ScrollbarWidth = 24;
@@ -28,6 +30,7 @@ namespace OpenRA.Widgets
public int ContentHeight = 0; public int ContentHeight = 0;
public ILayout Layout; public ILayout Layout;
public int MinimumThumbSize = 10; public int MinimumThumbSize = 10;
public ScrollPanelAlign Align = ScrollPanelAlign.Top;
protected float ListOffset = 0; protected float ListOffset = 0;
protected bool UpPressed = false; protected bool UpPressed = false;
protected bool DownPressed = false; protected bool DownPressed = false;
@@ -135,12 +138,15 @@ namespace OpenRA.Widgets
public void ScrollToBottom() public void ScrollToBottom()
{ {
ListOffset = Math.Min(0,Bounds.Height - ContentHeight); ListOffset = Align == ScrollPanelAlign.Top ?
Math.Min(0, Bounds.Height - ContentHeight) :
Bounds.Height - ContentHeight;
} }
public void ScrollToTop() public void ScrollToTop()
{ {
ListOffset = 0; ListOffset = Align == ScrollPanelAlign.Top ? 0 :
Math.Max(0, Bounds.Height - ContentHeight);
} }
public bool ScrolledToBottom public bool ScrolledToBottom